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Cos8A+6Cos6A+13Cos4A+8Cos2A / Cos7A+5Cos5A+8Cos3A =2CosA?? How to prove it?? |
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Answer» Step-by-step explanation: ljfa7r smyrantwi6rzcbsjfsjfdfjzvn NBC, NC, NC, NC NC, njvxjv n hfzfjxhf zhrzdhzfhzdhshrzruzhdzhfzjtxitxgjzmdhhmrrhzdhGd.GmeddhDhdhsee hfzfhzfHdzdhzhdshfsjfsfussfufushsffushdafuaruaruslNV NV check. n H. he khcxhlvxulfxulfzupfszcb |
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